v0.4.1

What's Changed

• fix(wasm): missing wasm package cache dir creation by @burmecia in #298
• bump version to 0.4.1 by @burmecia in #299
• fix(wasm): add user id to wasm cache file hash by @burmecia in #301
• feat(wasm): add fdw_package_checksum server option by @burmecia in #302

Full Changelog: v0.4.0...v0.4.1